ALSA: usb-audio: Add alias entry for ASUS PRIME TRX40 PRO-S

ASUS PRIME TRX40 PRO-S mobo with 0b05:1918 needs the same quirk alias
for another ASUS mobo (0b05:1917) for the proper mixer mapping, etc.
Add the corresponding entry.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210783
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201221080159.24468-1-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/card.c

@@ -383,6 +383,9 @@ static const struct usb_audio_device_name usb_audio_names[] = {
 	/* ASUS ROG Strix */
 	PROFILE_NAME(0x0b05, 0x1917,
 		     "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
+	/* ASUS PRIME TRX40 PRO-S */
+	PROFILE_NAME(0x0b05, 0x1918,
+		     "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
 
 	/* Dell WD15 Dock */
 	PROFILE_NAME(0x0bda, 0x4014, "Dell", "WD15 Dock", "Dell-WD15-Dock"),